Adenosylcobalamin is a popular B12 in the USA. It is one of the two bioactive coenzyme forms of vitamin B12 which occur naturally in foods.
Cyanocobalamin is a man-made form of vitamin B12 used to prevent and treat low blood levels of this vitamin. Most people get enough vitamin B12 from their diet. Vitamin B12 is important to maintain the health of your metabolism, blood cells, and nerves.
Hydroxocobalamin is a naturally occurring vitamin B12 form found in foods. It has the longest lasting effect. Useful for detox, stress and quitting smoking. It has the longest lasting effect. Useful for detox, stress and quitting smoking.
Vitamin B12 is the common name for a nutrient known scientifically as methylcobalamin. It's used as a dietary supplement and to treat certain anemias. Vitamin B12 plays an important role in helping the body make red blood cells.